Home / 698,974.58-1,046,780.35-398,544.35

Finding the Fourth Proportional to 698,974.58, 1,046,780.35 and 398,544.35

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Solution

The fourth proportional to 698,974.58, 1,046,780.35 and 398,544.35 is: 596,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,974.58 : 1,046,780.35 = 398,544.35 : x
  2. Step 2: Convert to fraction form
    698,974.58/1,046,780.35 = 398,544.35/x
  3. Step 3: Cross multiply
    698,974.58x = 1,046,780.35 × 398,544.35
  4. Step 4: Simplify right side
    698,974.58x = 417,188,387,953.26
  5. Step 5: Solve for x
    x = 417,188,387,953.26/698,974.58
  6. Step 6: Final answer
    x = 596,857.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.